/* USER CODE BEGIN Header */
/**
  ******************************************************************************
  * @file    stm32f4xx_it.c
  * @brief   Interrupt Service Routines.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2024 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */
/* USER CODE END Header */

/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f4xx_it.h"
#include "tusb.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
/* USER CODE END Includes */

/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN TD */

/* USER CODE END TD */

/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */

/* USER CODE END PD */

/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */

/* USER CODE END PM */

/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */

/* USER CODE END PV */

/* Private function prototypes -----------------------------------------------*/
/* USER CODE BEGIN PFP */

/* USER CODE END PFP */

/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */

/* USER CODE END 0 */

/* External variables --------------------------------------------------------*/

/* USER CODE BEGIN EV */

/* USER CODE END EV */

/******************************************************************************/
/*           Cortex-M4 Processor Interruption and Exception Handlers          */
/******************************************************************************/
/**
  * @brief This function handles Non maskable interrupt.
  */
void NMI_Handler(void)
{
  /* USER CODE BEGIN NonMaskableInt_IRQn 0 */

  /* USER CODE END NonMaskableInt_IRQn 0 */
  /* USER CODE BEGIN NonMaskableInt_IRQn 1 */
   while (1)
  {
  }
  /* USER CODE END NonMaskableInt_IRQn 1 */
}

/**
  * @brief This function handles Hard fault interrupt.
  */
void HardFault_Handler(void)
{
  /* USER CODE BEGIN HardFault_IRQn 0 */

  /* USER CODE END HardFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_HardFault_IRQn 0 */
    /* USER CODE END W1_HardFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Memory management fault.
  */
void MemManage_Handler(void)
{
  /* USER CODE BEGIN MemoryManagement_IRQn 0 */

  /* USER CODE END MemoryManagement_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_MemoryManagement_IRQn 0 */
    /* USER CODE END W1_MemoryManagement_IRQn 0 */
  }
}

/**
  * @brief This function handles Pre-fetch fault, memory access fault.
  */
void BusFault_Handler(void)
{
  /* USER CODE BEGIN BusFault_IRQn 0 */

  /* USER CODE END BusFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_BusFault_IRQn 0 */
    /* USER CODE END W1_BusFault_IRQn 0 */
  }
}

/**
  * @brief This function handles Undefined instruction or illegal state.
  */
void UsageFault_Handler(void)
{
  /* USER CODE BEGIN UsageFault_IRQn 0 */

  /* USER CODE END UsageFault_IRQn 0 */
  while (1)
  {
    /* USER CODE BEGIN W1_UsageFault_IRQn 0 */
    /* USER CODE END W1_UsageFault_IRQn 0 */
  }
}

/**
  * @brief This function handles System service call via SWI instruction.
  */
void SVC_Handler(void)
{
  /* USER CODE BEGIN SVCall_IRQn 0 */

  /* USER CODE END SVCall_IRQn 0 */
  /* USER CODE BEGIN SVCall_IRQn 1 */

  /* USER CODE END SVCall_IRQn 1 */
}

/**
  * @brief This function handles Debug monitor.
  */
void DebugMon_Handler(void)
{
  /* USER CODE BEGIN DebugMonitor_IRQn 0 */

  /* USER CODE END DebugMonitor_IRQn 0 */
  /* USER CODE BEGIN DebugMonitor_IRQn 1 */

  /* USER CODE END DebugMonitor_IRQn 1 */
}

/**
  * @brief This function handles Pendable request for system service.
  */
void PendSV_Handler(void)
{
  /* USER CODE BEGIN PendSV_IRQn 0 */

  /* USER CODE END PendSV_IRQn 0 */
  /* USER CODE BEGIN PendSV_IRQn 1 */

  /* USER CODE END PendSV_IRQn 1 */
}

/**
  * @brief This function handles System tick timer.
  */
void SysTick_Handler(void)
{
  /* USER CODE BEGIN SysTick_IRQn 0 */

  /* USER CODE END SysTick_IRQn 0 */

  /* USER CODE BEGIN SysTick_IRQn 1 */

  /* USER CODE END SysTick_IRQn 1 */
}

/******************************************************************************/
/* STM32F4xx Peripheral Interrupt Handlers                                    */
/* Add here the Interrupt Handlers for the used peripherals.                  */
/* For the available peripheral interrupt handler names,                      */
/* please refer to the startup file (startup_stm32f4xx.s).                    */
/******************************************************************************/

/* USER CODE BEGIN 1 */

/**
* @brief   suart1 空闲中断
* @param   None
* @retval  None
*/
void TIM3_IRQHandler(void)
{
    static unsigned short cnt = 0;

    if(LL_TIM_IsActiveFlag_UPDATE(TIM3) == 1)
    {
        LL_TIM_ClearFlag_UPDATE(TIM3);
    }
}

/**
* @brief   suart1 空闲中断
* @param   None
* @retval  None
*/
void suart1_IRQHandler(void)
{
    // unsigned char buf[USART_BUF_LEN];
    // unsigned short len;
    if(LL_USART_IsEnabledIT_IDLE(USART1) && LL_USART_IsActiveFlag_IDLE(USART1))
    {
        LL_DMA_DisableStream(DMA2, LL_DMA_STREAM_2);
        // 清除中断标志位
        LL_USART_ClearFlag_IDLE(USART1);
        //
        suart1.rxlen = USART_BUF_LEN - LL_DMA_GetDataLength(DMA2, LL_DMA_STREAM_2); // 获取接收数据长度
        memcpy(sdat.buf, suart1.rxbuf, suart1.rxlen);                     // 拷贝数据
        sdat.len = suart1.rxlen;
        suart1.rxflag = 1;
        LL_DMA_SetMemoryAddress(DMA2, LL_DMA_STREAM_2, (uint32_t)suart1.rxbuf);// 缓存地址
        LL_DMA_SetDataLength(DMA2, LL_DMA_STREAM_2, USART_BUF_LEN);           // 缓存大小
        // 使能通道
        LL_DMA_EnableStream(DMA2, LL_DMA_STREAM_2);
    }
    else
    {
        // Call Error function
        NVIC_DisableIRQ(USART1_IRQn);                                     // 关闭串口中断
    }

}
/**
* @brief   suart1 DMA 接收
* @param   None
* @retval  None
*/
void DMA2_Stream2_IRQHandler(void)
{
    if(LL_DMA_IsActiveFlag_TC2(DMA2))
    {
        LL_DMA_ClearFlag_TC2(DMA2);
    }
    else if(LL_DMA_IsActiveFlag_TE2(DMA2))
    {
        /* Disable DMA2 Tx and DMA2 Rx Channels */
        LL_DMA_DisableStream(DMA2, LL_DMA_STREAM_7);
        LL_DMA_DisableStream(DMA2, LL_DMA_STREAM_2);
    }
}

/**
* @brief   UASRT1 DMA 发送
* @param   None
* @retval  None
*/
void DMA2_Stream7_IRQHandler(void)
{
    if(LL_DMA_IsActiveFlag_TC7(DMA2))
    {
        LL_DMA_ClearFlag_TC7(DMA2);
    }
    else if(LL_DMA_IsActiveFlag_TE7(DMA2))
    {
        /* Disable DMA2 Tx and DMA2 Rx Channels */
        LL_DMA_DisableStream(DMA2, LL_DMA_STREAM_7);
        LL_DMA_DisableStream(DMA2, LL_DMA_STREAM_2);
    }
}

/**
  * @brief  This function handles USB HS request.
  * @param  None
  * @retval None
  */
void OTG_FS_IRQHandler(void) 
{
    tud_int_handler(0);
    tud_task();
}

/**
  * @brief  This function handles USB HS request.
  * @param  None
  * @retval None
  */
void OTG_HS_IRQHandler(void) 
{
    tud_int_handler(1);
    tud_task();
}

/**
  * @brief  This function handles external line 1 interrupt request.
  * @param  None
  * @retval None
  */
void EXTI1_IRQHandler(void)
{
    /* Manage Flags */
    if(LL_EXTI_IsActiveFlag_0_31(LL_EXTI_LINE_1) != RESET)
    {
        LL_EXTI_ClearFlag_0_31(LL_EXTI_LINE_1);
        // Add yours
    }
}

/* end------------------------------------------------------------------------*/
